|Date|Location|Venue|Opening act|Supporting|
|---|---|---|---|---|
|August 11, 1993|Calgary, Alberta, Canada|Max Bell Arena|Cadillac Tramps||
|August 12, 1993|Edmonton, Alberta, Canada|Convention Center|Cadillac Tramps||
|August 14, 1993|Gimli, Manitoba, Canada|Gimli Motorsport Park|||
|August 17, 1993|Hull, Quebec, Canada|Robert Guertin Arena|Doughboys||
|August 18, 1993|Toronto, Ontario, Canada|Canadian National Exhibition (CNE) Stadium||Neil Young|
|August 19, 1993|Montreal, Quebec, Canada|Verdun Auditorium|Doughboys||
|September 2, 1993|Los Angeles, California|Viper Room|The Darling Buds||
|September 4, 1993|Vancouver, British Columbia, Canada|BC Place Stadium||Neil Young|
|September 4, 1993|Seattle, Washington|Rendezvous Club|||
|September 5, 1993|George, Washington|The Gorge Amphitheatre|Blind Melon|Neil Young|
|September 6, 1993|Portland, Oregon|Portland Meadows|Blind Melon|Neil Young|

Question: how many days in august of 1993 did pearl jam perform in canada?
Answer: 6